ui/src/components/main.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Link } from 'inferno-router';
   3 import { Subscription } from 'rxjs';
   4 import { retryWhen, delay, take } from 'rxjs/operators';
   5 import {
   6   UserOperation,
   7   CommunityUser,
   8   GetFollowedCommunitiesResponse,
   9   ListCommunitiesForm,
  10   ListCommunitiesResponse,
  11   Community,
  12   SortType,
  13   GetSiteResponse,
  14   ListingType,
  15   DataType,
  16   SiteResponse,
  17   GetPostsResponse,
  18   PostResponse,
  19   Post,
  20   GetPostsForm,
  21   Comment,
  22   GetCommentsForm,
  23   GetCommentsResponse,
  24   CommentResponse,
  25   AddAdminResponse,
  26   BanUserResponse,
  27   WebSocketJsonResponse,
  28 } from '../interfaces';
  29 import { WebSocketService, UserService } from '../services';
  30 import { PostListings } from './post-listings';
  31 import { CommentNodes } from './comment-nodes';
  32 import { SortSelect } from './sort-select';
  33 import { ListingTypeSelect } from './listing-type-select';
  34 import { DataTypeSelect } from './data-type-select';
  35 import { SiteForm } from './site-form';
  36 import {
  37   wsJsonToRes,
  38   repoUrl,
  39   mdToHtml,
  40   fetchLimit,
  41   pictshareAvatarThumbnail,
  42   showAvatars,
  43   toast,
  44   getListingTypeFromProps,
  45   getPageFromProps,
  46   getSortTypeFromProps,
  47   getDataTypeFromProps,
  48   editCommentRes,
  49   saveCommentRes,
  50   createCommentLikeRes,
  51   createPostLikeFindRes,
  52   editPostFindRes,
  53   commentsToFlatNodes,
  54   commentSortSortType,
  55   setupTippy,
  56 } from '../utils';
  57 import { i18n } from '../i18next';
  58 import { T } from 'inferno-i18next';
  59
  60 interface MainState {
  61   subscribedCommunities: Array<CommunityUser>;
  62   trendingCommunities: Array<Community>;
  63   siteRes: GetSiteResponse;
  64   showEditSite: boolean;
  65   loading: boolean;
  66   posts: Array<Post>;
  67   comments: Array<Comment>;
  68   listingType: ListingType;
  69   dataType: DataType;
  70   sort: SortType;
  71   page: number;
  72 }
  73
  74 export class Main extends Component<any, MainState> {
  75   private subscription: Subscription;
  76   private emptyState: MainState = {
  77     subscribedCommunities: [],
  78     trendingCommunities: [],
  79     siteRes: {
  80       site: {
  81         id: null,
  82         name: null,
  83         creator_id: null,
  84         creator_name: null,
  85         published: null,
  86         number_of_users: null,
  87         number_of_posts: null,
  88         number_of_comments: null,
  89         number_of_communities: null,
  90         enable_downvotes: null,
  91         open_registration: null,
  92         enable_nsfw: null,
  93       },
  94       admins: [],
  95       banned: [],
  96       online: null,
  97     },
  98     showEditSite: false,
  99     loading: true,
 100     posts: [],
 101     comments: [],
 102     listingType: getListingTypeFromProps(this.props),
 103     dataType: getDataTypeFromProps(this.props),
 104     sort: getSortTypeFromProps(this.props),
 105     page: getPageFromProps(this.props),
 106   };
 107
 108   constructor(props: any, context: any) {
 109     super(props, context);
 110
 111     this.state = this.emptyState;
 112     this.handleEditCancel = this.handleEditCancel.bind(this);
 113     this.handleSortChange = this.handleSortChange.bind(this);
 114     this.handleListingTypeChange = this.handleListingTypeChange.bind(this);
 115     this.handleDataTypeChange = this.handleDataTypeChange.bind(this);
 116
 117     this.subscription = WebSocketService.Instance.subject
 118       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
 119       .subscribe(
 120         msg => this.parseMessage(msg),
 121         err => console.error(err),
 122         () => console.log('complete')
 123       );
 124
 125     WebSocketService.Instance.getSite();
 126
 127     if (UserService.Instance.user) {
 128       WebSocketService.Instance.getFollowedCommunities();
 129     }
 130
 131     let listCommunitiesForm: ListCommunitiesForm = {
 132       sort: SortType[SortType.Hot],
 133       limit: 6,
 134     };
 135
 136     WebSocketService.Instance.listCommunities(listCommunitiesForm);
 137
 138     this.fetchData();
 139   }
 140
 141   componentWillUnmount() {
 142     this.subscription.unsubscribe();
 143   }
 144
 145   // Necessary for back button for some reason
 146   componentWillReceiveProps(nextProps: any) {
 147     if (
 148       nextProps.history.action == 'POP' ||
 149       nextProps.history.action == 'PUSH'
 150     ) {
 151       this.state.listingType = getListingTypeFromProps(nextProps);
 152       this.state.dataType = getDataTypeFromProps(nextProps);
 153       this.state.sort = getSortTypeFromProps(nextProps);
 154       this.state.page = getPageFromProps(nextProps);
 155       this.setState(this.state);
 156       this.fetchData();
 157     }
 158   }
 159
 160   render() {
 161     return (
 162       <div class="container">
 163         <div class="row">
 164           <main role="main" class="col-12 col-md-8">
 165             {this.posts()}
 166           </main>
 167           <aside class="col-12 col-md-4">{this.my_sidebar()}</aside>
 168         </div>
 169       </div>
 170     );
 171   }
 172
 173   my_sidebar() {
 174     return (
 175       <div>
 176         {!this.state.loading && (
 177           <div>
 178             <div class="card border-secondary mb-3">
 179               <div class="card-body">
 180                 {this.trendingCommunities()}
 181                 {UserService.Instance.user &&
 182                   this.state.subscribedCommunities.length > 0 && (
 183                     <div>
 184                       <h5>
 185                         <T i18nKey="subscribed_to_communities">
 186                           #
 187                           <Link class="text-white" to="/communities">
 188                             #
 189                           </Link>
 190                         </T>
 191                       </h5>
 192                       <ul class="list-inline">
 193                         {this.state.subscribedCommunities.map(community => (
 194                           <li class="list-inline-item">
 195                             <Link to={`/c/${community.community_name}`}>
 196                               {community.community_name}
 197                             </Link>
 198                           </li>
 199                         ))}
 200                       </ul>
 201                     </div>
 202                   )}
 203                 <Link
 204                   class="btn btn-sm btn-secondary btn-block"
 205                   to="/create_community"
 206                 >
 207                   {i18n.t('create_a_community')}
 208                 </Link>
 209               </div>
 210             </div>
 211             {this.sidebar()}
 212             {this.landing()}
 213           </div>
 214         )}
 215       </div>
 216     );
 217   }
 218
 219   trendingCommunities() {
 220     return (
 221       <div>
 222         <h5>
 223           <T i18nKey="trending_communities">
 224             #
 225             <Link class="text-white" to="/communities">
 226               #
 227             </Link>
 228           </T>
 229         </h5>
 230         <ul class="list-inline">
 231           {this.state.trendingCommunities.map(community => (
 232             <li class="list-inline-item">
 233               <Link to={`/c/${community.name}`}>{community.name}</Link>
 234             </li>
 235           ))}
 236         </ul>
 237       </div>
 238     );
 239   }
 240
 241   sidebar() {
 242     return (
 243       <div>
 244         {!this.state.showEditSite ? (
 245           this.siteInfo()
 246         ) : (
 247           <SiteForm
 248             site={this.state.siteRes.site}
 249             onCancel={this.handleEditCancel}
 250           />
 251         )}
 252       </div>
 253     );
 254   }
 255
 256   updateUrl() {
 257     let listingTypeStr = ListingType[this.state.listingType].toLowerCase();
 258     let dataTypeStr = DataType[this.state.dataType].toLowerCase();
 259     let sortStr = SortType[this.state.sort].toLowerCase();
 260     this.props.history.push(
 261       `/home/data_type/${dataTypeStr}/listing_type/${listingTypeStr}/sort/${sortStr}/page/${this.state.page}`
 262     );
 263   }
 264
 265   siteInfo() {
 266     return (
 267       <div>
 268         <div class="card border-secondary mb-3">
 269           <div class="card-body">
 270             <h5 class="mb-0">{`${this.state.siteRes.site.name}`}</h5>
 271             {this.canAdmin && (
 272               <ul class="list-inline mb-1 text-muted font-weight-bold">
 273                 <li className="list-inline-item-action">
 274                   <span
 275                     class="pointer"
 276                     onClick={linkEvent(this, this.handleEditClick)}
 277                     data-tippy-content={i18n.t('edit')}
 278                   >
 279                     <svg class="icon icon-inline">
 280                       <use xlinkHref="#icon-edit"></use>
 281                     </svg>
 282                   </span>
 283                 </li>
 284               </ul>
 285             )}
 286             <ul class="my-2 list-inline">
 287               <li className="list-inline-item badge badge-secondary">
 288                 {i18n.t('number_online', { count: this.state.siteRes.online })}
 289               </li>
 290               <li className="list-inline-item badge badge-secondary">
 291                 {i18n.t('number_of_users', {
 292                   count: this.state.siteRes.site.number_of_users,
 293                 })}
 294               </li>
 295               <li className="list-inline-item badge badge-secondary">
 296                 {i18n.t('number_of_communities', {
 297                   count: this.state.siteRes.site.number_of_communities,
 298                 })}
 299               </li>
 300               <li className="list-inline-item badge badge-secondary">
 301                 {i18n.t('number_of_posts', {
 302                   count: this.state.siteRes.site.number_of_posts,
 303                 })}
 304               </li>
 305               <li className="list-inline-item badge badge-secondary">
 306                 {i18n.t('number_of_comments', {
 307                   count: this.state.siteRes.site.number_of_comments,
 308                 })}
 309               </li>
 310               <li className="list-inline-item">
 311                 <Link className="badge badge-secondary" to="/modlog">
 312                   {i18n.t('modlog')}
 313                 </Link>
 314               </li>
 315             </ul>
 316             <ul class="mt-1 list-inline small mb-0">
 317               <li class="list-inline-item">{i18n.t('admins')}:</li>
 318               {this.state.siteRes.admins.map(admin => (
 319                 <li class="list-inline-item">
 320                   <Link class="text-info" to={`/u/${admin.name}`}>
 321                     {admin.avatar && showAvatars() && (
 322                       <img
 323                         height="32"
 324                         width="32"
 325                         src={pictshareAvatarThumbnail(admin.avatar)}
 326                         class="rounded-circle mr-1"
 327                       />
 328                     )}
 329                     <span>{admin.name}</span>
 330                   </Link>
 331                 </li>
 332               ))}
 333             </ul>
 334           </div>
 335         </div>
 336         {this.state.siteRes.site.description && (
 337           <div class="card border-secondary mb-3">
 338             <div class="card-body">
 339               <div
 340                 className="md-div"
 341                 dangerouslySetInnerHTML={mdToHtml(
 342                   this.state.siteRes.site.description
 343                 )}
 344               />
 345             </div>
 346           </div>
 347         )}
 348       </div>
 349     );
 350   }
 351
 352   landing() {
 353     return (
 354       <div class="card border-secondary">
 355         <div class="card-body">
 356           <h5>
 357             {i18n.t('powered_by')}
 358             <svg class="icon mx-2">
 359               <use xlinkHref="#icon-mouse">#</use>
 360             </svg>
 361             <a href={repoUrl}>
 362               Lemmy<sup>beta</sup>
 363             </a>
 364           </h5>
 365           <p class="mb-0">
 366             <T i18nKey="landing_0">
 367               #
 368               <a href="https://en.wikipedia.org/wiki/Social_network_aggregation">
 369                 #
 370               </a>
 371               <a href="https://en.wikipedia.org/wiki/Fediverse">#</a>
 372               <br></br>
 373               <code>#</code>
 374               <br></br>
 375               <b>#</b>
 376               <br></br>
 377               <a href={repoUrl}>#</a>
 378               <br></br>
 379               <a href="https://www.rust-lang.org">#</a>
 380               <a href="https://actix.rs/">#</a>
 381               <a href="https://infernojs.org">#</a>
 382               <a href="https://www.typescriptlang.org/">#</a>
 383             </T>
 384           </p>
 385         </div>
 386       </div>
 387     );
 388   }
 389
 390   posts() {
 391     return (
 392       <div class="main-content-wrapper">
 393         {this.selects()}
 394         {this.state.loading ? (
 395           <h5>
 396             <svg class="icon icon-spinner spin">
 397               <use xlinkHref="#icon-spinner"></use>
 398             </svg>
 399           </h5>
 400         ) : (
 401           <div>
 402             {this.listings()}
 403             {this.paginator()}
 404           </div>
 405         )}
 406       </div>
 407     );
 408   }
 409
 410   listings() {
 411     return this.state.dataType == DataType.Post ? (
 412       <PostListings
 413         posts={this.state.posts}
 414         showCommunity
 415         removeDuplicates
 416         sort={this.state.sort}
 417       />
 418     ) : (
 419       <CommentNodes
 420         nodes={commentsToFlatNodes(this.state.comments)}
 421         noIndent
 422         showCommunity
 423         sortType={this.state.sort}
 424       />
 425     );
 426   }
 427
 428   selects() {
 429     return (
 430       <div className="mb-3">
 431         <span class="mr-3">
 432           <DataTypeSelect
 433             type_={this.state.dataType}
 434             onChange={this.handleDataTypeChange}
 435           />
 436         </span>
 437         <span class="mr-3">
 438           <ListingTypeSelect
 439             type_={this.state.listingType}
 440             onChange={this.handleListingTypeChange}
 441           />
 442         </span>
 443         <span class="mr-2">
 444           <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
 445         </span>
 446         {this.state.listingType == ListingType.All && (
 447           <a
 448             href={`/feeds/all.xml?sort=${SortType[this.state.sort]}`}
 449             target="_blank"
 450             title="RSS"
 451           >
 452             <svg class="icon text-muted small">
 453               <use xlinkHref="#icon-rss">#</use>
 454             </svg>
 455           </a>
 456         )}
 457         {UserService.Instance.user &&
 458           this.state.listingType == ListingType.Subscribed && (
 459             <a
 460               href={`/feeds/front/${UserService.Instance.auth}.xml?sort=${
 461                 SortType[this.state.sort]
 462               }`}
 463               target="_blank"
 464               title="RSS"
 465             >
 466               <svg class="icon text-muted small">
 467                 <use xlinkHref="#icon-rss">#</use>
 468               </svg>
 469             </a>
 470           )}
 471       </div>
 472     );
 473   }
 474
 475   paginator() {
 476     return (
 477       <div class="my-2">
 478         {this.state.page > 1 && (
 479           <button
 480             class="btn btn-sm btn-secondary mr-1"
 481             onClick={linkEvent(this, this.prevPage)}
 482           >
 483             {i18n.t('prev')}
 484           </button>
 485         )}
 486         {this.state.posts.length == fetchLimit && (
 487           <button
 488             class="btn btn-sm btn-secondary"
 489             onClick={linkEvent(this, this.nextPage)}
 490           >
 491             {i18n.t('next')}
 492           </button>
 493         )}
 494       </div>
 495     );
 496   }
 497
 498   get canAdmin(): boolean {
 499     return (
 500       UserService.Instance.user &&
 501       this.state.siteRes.admins
 502         .map(a => a.id)
 503         .includes(UserService.Instance.user.id)
 504     );
 505   }
 506
 507   handleEditClick(i: Main) {
 508     i.state.showEditSite = true;
 509     i.setState(i.state);
 510   }
 511
 512   handleEditCancel() {
 513     this.state.showEditSite = false;
 514     this.setState(this.state);
 515   }
 516
 517   nextPage(i: Main) {
 518     i.state.page++;
 519     i.state.loading = true;
 520     i.setState(i.state);
 521     i.updateUrl();
 522     i.fetchData();
 523     window.scrollTo(0, 0);
 524   }
 525
 526   prevPage(i: Main) {
 527     i.state.page--;
 528     i.state.loading = true;
 529     i.setState(i.state);
 530     i.updateUrl();
 531     i.fetchData();
 532     window.scrollTo(0, 0);
 533   }
 534
 535   handleSortChange(val: SortType) {
 536     this.state.sort = val;
 537     this.state.page = 1;
 538     this.state.loading = true;
 539     this.setState(this.state);
 540     this.updateUrl();
 541     this.fetchData();
 542     window.scrollTo(0, 0);
 543   }
 544
 545   handleListingTypeChange(val: ListingType) {
 546     this.state.listingType = val;
 547     this.state.page = 1;
 548     this.state.loading = true;
 549     this.setState(this.state);
 550     this.updateUrl();
 551     this.fetchData();
 552     window.scrollTo(0, 0);
 553   }
 554
 555   handleDataTypeChange(val: DataType) {
 556     this.state.dataType = val;
 557     this.state.page = 1;
 558     this.state.loading = true;
 559     this.setState(this.state);
 560     this.updateUrl();
 561     this.fetchData();
 562     window.scrollTo(0, 0);
 563   }
 564
 565   fetchData() {
 566     if (this.state.dataType == DataType.Post) {
 567       let getPostsForm: GetPostsForm = {
 568         page: this.state.page,
 569         limit: fetchLimit,
 570         sort: SortType[this.state.sort],
 571         type_: ListingType[this.state.listingType],
 572       };
 573       WebSocketService.Instance.getPosts(getPostsForm);
 574     } else {
 575       let getCommentsForm: GetCommentsForm = {
 576         page: this.state.page,
 577         limit: fetchLimit,
 578         sort: SortType[this.state.sort],
 579         type_: ListingType[this.state.listingType],
 580       };
 581       WebSocketService.Instance.getComments(getCommentsForm);
 582     }
 583   }
 584
 585   parseMessage(msg: WebSocketJsonResponse) {
 586     console.log(msg);
 587     let res = wsJsonToRes(msg);
 588     if (msg.error) {
 589       toast(i18n.t(msg.error), 'danger');
 590       return;
 591     } else if (msg.reconnect) {
 592       this.fetchData();
 593     } else if (res.op == UserOperation.GetFollowedCommunities) {
 594       let data = res.data as GetFollowedCommunitiesResponse;
 595       this.state.subscribedCommunities = data.communities;
 596       this.setState(this.state);
 597     } else if (res.op == UserOperation.ListCommunities) {
 598       let data = res.data as ListCommunitiesResponse;
 599       this.state.trendingCommunities = data.communities;
 600       this.setState(this.state);
 601     } else if (res.op == UserOperation.GetSite) {
 602       let data = res.data as GetSiteResponse;
 603
 604       // This means it hasn't been set up yet
 605       if (!data.site) {
 606         this.context.router.history.push('/setup');
 607       }
 608       this.state.siteRes.admins = data.admins;
 609       this.state.siteRes.site = data.site;
 610       this.state.siteRes.banned = data.banned;
 611       this.state.siteRes.online = data.online;
 612       this.setState(this.state);
 613       document.title = `${WebSocketService.Instance.site.name}`;
 614     } else if (res.op == UserOperation.EditSite) {
 615       let data = res.data as SiteResponse;
 616       this.state.siteRes.site = data.site;
 617       this.state.showEditSite = false;
 618       this.setState(this.state);
 619     } else if (res.op == UserOperation.GetPosts) {
 620       let data = res.data as GetPostsResponse;
 621       this.state.posts = data.posts;
 622       this.state.loading = false;
 623       this.setState(this.state);
 624       setupTippy();
 625     } else if (res.op == UserOperation.CreatePost) {
 626       let data = res.data as PostResponse;
 627
 628       // If you're on subscribed, only push it if you're subscribed.
 629       if (this.state.listingType == ListingType.Subscribed) {
 630         if (
 631           this.state.subscribedCommunities
 632             .map(c => c.community_id)
 633             .includes(data.post.community_id)
 634         ) {
 635           this.state.posts.unshift(data.post);
 636         }
 637       } else {
 638         // NSFW posts
 639         let nsfw = data.post.nsfw || data.post.community_nsfw;
 640
 641         // Don't push the post if its nsfw, and don't have that setting on
 642         if (
 643           !nsfw ||
 644           (nsfw &&
 645             UserService.Instance.user &&
 646             UserService.Instance.user.show_nsfw)
 647         ) {
 648           this.state.posts.unshift(data.post);
 649           this.setState(this.state);
 650         }
 651       }
 652     } else if (res.op == UserOperation.EditPost) {
 653       let data = res.data as PostResponse;
 654       editPostFindRes(data, this.state.posts);
 655       this.setState(this.state);
 656     } else if (res.op == UserOperation.CreatePostLike) {
 657       let data = res.data as PostResponse;
 658       createPostLikeFindRes(data, this.state.posts);
 659       this.setState(this.state);
 660     } else if (res.op == UserOperation.AddAdmin) {
 661       let data = res.data as AddAdminResponse;
 662       this.state.siteRes.admins = data.admins;
 663       this.setState(this.state);
 664     } else if (res.op == UserOperation.BanUser) {
 665       let data = res.data as BanUserResponse;
 666       let found = this.state.siteRes.banned.find(u => (u.id = data.user.id));
 667
 668       // Remove the banned if its found in the list, and the action is an unban
 669       if (found && !data.banned) {
 670         this.state.siteRes.banned = this.state.siteRes.banned.filter(
 671           i => i.id !== data.user.id
 672         );
 673       } else {
 674         this.state.siteRes.banned.push(data.user);
 675       }
 676
 677       this.state.posts
 678         .filter(p => p.creator_id == data.user.id)
 679         .forEach(p => (p.banned = data.banned));
 680
 681       this.setState(this.state);
 682     } else if (res.op == UserOperation.GetComments) {
 683       let data = res.data as GetCommentsResponse;
 684       this.state.comments = data.comments;
 685       this.state.loading = false;
 686       this.setState(this.state);
 687     } else if (res.op == UserOperation.EditComment) {
 688       let data = res.data as CommentResponse;
 689       editCommentRes(data, this.state.comments);
 690       this.setState(this.state);
 691     } else if (res.op == UserOperation.CreateComment) {
 692       let data = res.data as CommentResponse;
 693
 694       // Necessary since it might be a user reply
 695       if (data.recipient_ids.length == 0) {
 696         // If you're on subscribed, only push it if you're subscribed.
 697         if (this.state.listingType == ListingType.Subscribed) {
 698           if (
 699             this.state.subscribedCommunities
 700               .map(c => c.community_id)
 701               .includes(data.comment.community_id)
 702           ) {
 703             this.state.comments.unshift(data.comment);
 704           }
 705         } else {
 706           this.state.comments.unshift(data.comment);
 707         }
 708         this.setState(this.state);
 709       }
 710     } else if (res.op == UserOperation.SaveComment) {
 711       let data = res.data as CommentResponse;
 712       saveCommentRes(data, this.state.comments);
 713       this.setState(this.state);
 714     } else if (res.op == UserOperation.CreateCommentLike) {
 715       let data = res.data as CommentResponse;
 716       createCommentLikeRes(data, this.state.comments);
 717       this.setState(this.state);
 718     }
 719   }
 720 }